Senior System Administrator — ICAM & Cloud Infra (TS/SCI)

CACI International Inc.; Maryland; On-site; USD 103,800 - 218,100; Full time

Benefits offered by this job

Flexible time off

Learning resources

Healthcare benefits

Retirement plan

Job summary

CACI International Inc. seeks a Senior System Administrator to support the MWIII Bridge program, delivering enterprise ICAM capabilities with a focus on high availability and security.

The role involves configuring Docker containers in Kubernetes, collaborating with development teams, performing patching and documentation, and providing after-hours support as needed for mission-critical systems. A TS/SCI with Polygraph clearance is required.

Qualifications

• Active TS/SCI clearance with Polygraph.
• 7+ years of relevant system administration experience.
• Bachelor’s degree in a technical discipline (or 4 additional years of experience in lieu of degree).
• DoD 8570 IAT Level I or higher (if determined applicable).

Responsibilities

• Build, configure, and deploy Docker containers within Kubernetes clusters.
• Collaborate with multiple development teams to integrate web applications, services, databases, and directory technologies.
• Support high-availability enterprise services and ensure systems remain fully operational.
• Monitor system performance, identify issues, and perform root-cause troubleshooting.
• Maintain secure, compliant environments through patching, updates, and configuration management.
• Contribute to documentation and operational procedures.

Skills

Linux administration

Docker

Kubernetes

Harbor container registry

Directory services (LDAP/AD)

JBOSS

AWS services

Automation tools

VCenter/VMWare

PKI and certificate lifecycle

Education

Bachelor’s degree in a technical discipline

4 additional years of experience in lieu of degree

Tools

Jira

Confluence

GitLab

Ansible

Terraform

CloudFormation

Job description

CACI International Inc. seeks a Senior System Administrator to support the MWIII Bridge program, delivering enterprise ICAM capabilities with a focus on high availability and security.

The role involves configuring Docker containers in Kubernetes, collaborating with development teams, performing patching and documentation, and providing after-hours support as needed for mission-critical systems. A TS/SCI with Polygraph clearance is required.